The Station 42 team responds to a dangerous zipline accident that escalates into a wildfire due to illegal fireworks; Sharon struggles with letting go of Vince's belongings and unexpectedly finds comfort in Vince's ex, Renee.

The team responds to a dangerous fire at the local drive-in movie theater where they must enlist civilians to help stop the spread; Bode and Sharon wrestle with the weight of holding secrets from each other.